| Châtelais | |
| Arrondissement: | Segré |
| Canton: | Segré |
| Insee: | 49081 |
| Postal Code: | 49520 |
| Commune: | Segré-en-Anjou Bleu |
| Coordinates: | 47.7583°N -0.9261°W |
| Elevation M: | 90 |
| Elevation Min M: | 26 |
| Elevation Max M: | 102 |
| Area Km2: | 23.68 |
| Population: | 656 |
| Population Date: | 2019 |
| Population Footnotes: | [1] |
| Demonym: | Châtelaisien, Châtelaisienne |
Châtelais (pronounced as /fr/) is a former commune in the Maine-et-Loire department of western France. On 15 December 2016, it was merged into the new commune Segré-en-Anjou Bleu.[2]
The river Oudon flows through the middle of the commune and forms part of its northern border.